#include <iostream>
using namespace std;

class Human
{
public:
    Human(void)
    {
        cout << "I am a human" << endl;
    }
    ~Human(void)
    {
        cout << "Goodbye" << endl;
    }
};

int main(int argc, char const *argv[])
{
    /* code */
    Human human1; //实例化一个human对象
    cout << sizeof(human1) << endl;
    return 0;
}
